Home / 1,423,592.34-1,964,557.32-779,012.58

Finding the Fourth Proportional to 1,423,592.34, 1,964,557.32 and 779,012.58

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Solution

The fourth proportional to 1,423,592.34, 1,964,557.32 and 779,012.58 is: 1,075,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,592.34 : 1,964,557.32 = 779,012.58 : x
  2. Step 2: Convert to fraction form
    1,423,592.34/1,964,557.32 = 779,012.58/x
  3. Step 3: Cross multiply
    1,423,592.34x = 1,964,557.32 × 779,012.58
  4. Step 4: Simplify right side
    1,423,592.34x = 1,530,414,866,411.09
  5. Step 5: Solve for x
    x = 1,530,414,866,411.09/1,423,592.34
  6. Step 6: Final answer
    x = 1,075,037.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.